./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 15:54:17,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 15:54:17,632 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-23 15:54:17,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 15:54:17,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 15:54:17,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 15:54:17,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 15:54:17,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 15:54:17,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 15:54:17,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 15:54:17,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 15:54:17,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 15:54:17,680 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 15:54:17,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 15:54:17,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 15:54:17,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 15:54:17,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 15:54:17,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 15:54:17,682 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 15:54:17,683 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 15:54:17,683 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 15:54:17,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 15:54:17,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 15:54:17,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 15:54:17,684 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 15:54:17,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 15:54:17,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 15:54:17,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 15:54:17,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 15:54:17,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 15:54:17,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:54:17,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 15:54:17,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 15:54:17,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 15:54:17,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 15:54:17,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 15:54:17,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 15:54:17,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 15:54:17,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 15:54:17,689 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2023-11-23 15:54:17,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 15:54:17,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 15:54:17,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 15:54:17,968 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 15:54:17,969 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 15:54:17,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-11-23 15:54:19,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 15:54:19,648 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 15:54:19,648 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-11-23 15:54:19,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3766fce/7836f1a3fcca4071baadc002fc770a3f/FLAG18a5a69b2 [2023-11-23 15:54:19,719 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3766fce/7836f1a3fcca4071baadc002fc770a3f [2023-11-23 15:54:19,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 15:54:19,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 15:54:19,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 15:54:19,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 15:54:19,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 15:54:19,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:19" (1/1) ... [2023-11-23 15:54:19,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e534398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:19, skipping insertion in model container [2023-11-23 15:54:19,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:19" (1/1) ... [2023-11-23 15:54:19,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 15:54:22,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 15:54:22,230 ERROR L324 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) [2023-11-23 15:54:22,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bbd4153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:22, skipping insertion in model container [2023-11-23 15:54:22,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 15:54:22,231 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 15:54:22,234 INFO L158 Benchmark]: Toolchain (without parser) took 2509.29ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 79.7MB in the beginning and 84.2MB in the end (delta: -4.5MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2023-11-23 15:54:22,234 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 111.5MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 15:54:22,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2507.21ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 79.4MB in the beginning and 84.2MB in the end (delta: -4.8MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2023-11-23 15:54:22,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 111.5MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2507.21ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 79.4MB in the beginning and 84.2MB in the end (delta: -4.8MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6344]: 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: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 15:54:24,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 15:54:24,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-23 15:54:24,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 15:54:24,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 15:54:24,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 15:54:24,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 15:54:24,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 15:54:24,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 15:54:24,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 15:54:24,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 15:54:24,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 15:54:24,348 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 15:54:24,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 15:54:24,350 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 15:54:24,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 15:54:24,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 15:54:24,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 15:54:24,351 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 15:54:24,351 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 15:54:24,351 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 15:54:24,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 15:54:24,352 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 15:54:24,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 15:54:24,353 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 15:54:24,353 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 15:54:24,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 15:54:24,354 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 15:54:24,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 15:54:24,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 15:54:24,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 15:54:24,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 15:54:24,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:54:24,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 15:54:24,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 15:54:24,357 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 15:54:24,357 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 15:54:24,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 15:54:24,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 15:54:24,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 15:54:24,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 15:54:24,359 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 15:54:24,359 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2023-11-23 15:54:24,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 15:54:24,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 15:54:24,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 15:54:24,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 15:54:24,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 15:54:24,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-11-23 15:54:26,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 15:54:26,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 15:54:26,530 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-11-23 15:54:26,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492870103/8bcb91627031474c8d43e80cad452f3d/FLAG154387d2b [2023-11-23 15:54:26,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492870103/8bcb91627031474c8d43e80cad452f3d [2023-11-23 15:54:26,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 15:54:26,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 15:54:26,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 15:54:26,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 15:54:26,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 15:54:26,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:26" (1/1) ... [2023-11-23 15:54:26,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb0978a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:26, skipping insertion in model container [2023-11-23 15:54:26,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:26" (1/1) ... [2023-11-23 15:54:26,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 15:54:28,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 15:54:28,470 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 15:54:28,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 15:54:28,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 15:54:28,838 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 15:54:28,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5646] [2023-11-23 15:54:28,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5653] [2023-11-23 15:54:28,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5660] [2023-11-23 15:54:28,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/alpha/git/klever2/klever/native-scheduler-work-dir/scheduler/jobs/d5cd53f56669d61faa91054857893dbd/klever-core-work-dir/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5694-5695] [2023-11-23 15:54:28,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5700-5702] [2023-11-23 15:54:28,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5759] [2023-11-23 15:54:28,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5767] [2023-11-23 15:54:29,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 15:54:29,276 INFO L206 MainTranslator]: Completed translation [2023-11-23 15:54:29,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29 WrapperNode [2023-11-23 15:54:29,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 15:54:29,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 15:54:29,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 15:54:29,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 15:54:29,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,571 INFO L138 Inliner]: procedures = 334, calls = 1301, calls flagged for inlining = 515, calls inlined = 856, statements flattened = 7069 [2023-11-23 15:54:29,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 15:54:29,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 15:54:29,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 15:54:29,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 15:54:29,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 15:54:29,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 15:54:29,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 15:54:29,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 15:54:29,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2023-11-23 15:54:29,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:54:29,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:54:30,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 15:54:30,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 15:54:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 15:54:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 15:54:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 15:54:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 15:54:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2023-11-23 15:54:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2023-11-23 15:54:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2023-11-23 15:54:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2023-11-23 15:54:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-11-23 15:54:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-11-23 15:54:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 15:54:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 15:54:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 15:54:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 15:54:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 15:54:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 15:54:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 15:54:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 15:54:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 15:54:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 15:54:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 15:54:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 15:54:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 15:54:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 15:54:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 15:54:30,180 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 15:54:30,668 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 15:54:30,670 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 15:54:39,982 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 15:54:46,965 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 15:54:46,966 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 15:54:46,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:46 BoogieIcfgContainer [2023-11-23 15:54:46,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 15:54:46,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 15:54:46,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 15:54:46,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 15:54:46,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:26" (1/3) ... [2023-11-23 15:54:46,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c5880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:46, skipping insertion in model container [2023-11-23 15:54:46,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (2/3) ... [2023-11-23 15:54:46,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c5880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:46, skipping insertion in model container [2023-11-23 15:54:46,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:46" (3/3) ... [2023-11-23 15:54:46,978 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-11-23 15:54:46,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 15:54:46,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 965 error locations. [2023-11-23 15:54:46,999 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 15:54:48,407 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2023-11-23 15:54:48,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2218 places, 2396 transitions, 4851 flow [2023-11-23 15:54:51,499 INFO L124 PetriNetUnfolderBase]: 343/4562 cut-off events. [2023-11-23 15:54:51,499 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-23 15:54:51,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4592 conditions, 4562 events. 343/4562 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 39269 event pairs, 1 based on Foata normal form. 0/1811 useless extension candidates. Maximal degree in co-relation 4561. Up to 18 conditions per place. [2023-11-23 15:54:51,619 INFO L82 GeneralOperation]: Start removeDead. Operand has 2218 places, 2396 transitions, 4851 flow [2023-11-23 15:54:51,930 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1697 places, 1823 transitions, 3678 flow [2023-11-23 15:54:51,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 15:54:51,950 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2657941d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 15:54:51,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1930 error locations. [2023-11-23 15:54:51,975 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 15:54:51,976 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-11-23 15:54:51,976 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 15:54:51,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 15:54:51,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-23 15:54:51,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_interrupt_scenario_2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_interrupt_scenario_2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1928 more)] === [2023-11-23 15:54:51,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:54:51,981 INFO L85 PathProgramCache]: Analyzing trace with hash 671390, now seen corresponding path program 1 times [2023-11-23 15:54:51,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 15:54:51,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771982400] [2023-11-23 15:54:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:54:51,995 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 [2023-11-23 15:54:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-11-23 15:54:51,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2023-11-23 15:54:51,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2023-11-23 15:54:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:54:53,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 15:54:53,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:54:53,750 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-23 15:54:53,751 INFO L378 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 21 treesize of output 20 [2023-11-23 15:54:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 15:54:53,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:54:53,770 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 15:54:53,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771982400] [2023-11-23 15:54:53,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771982400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:54:53,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:54:53,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 15:54:53,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283927413] [2023-11-23 15:54:53,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:54:53,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 15:54:53,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 15:54:53,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 15:54:53,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 15:54:56,388 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1681 out of 2396 [2023-11-23 15:54:56,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1697 places, 1823 transitions, 3678 flow. Second operand has 3 states, 3 states have (on average 1681.6666666666667) internal successors, (5045), 3 states have internal predecessors, (5045), 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) [2023-11-23 15:54:56,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 15:54:56,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1681 of 2396 [2023-11-23 15:54:56,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand