./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:33,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:33,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:18:33,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:18:33,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:18:33,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:33,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:33,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:33,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:33,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:33,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:33,659 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:33,660 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:33,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:33,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:33,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:33,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:33,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:33,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:33,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:33,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:33,661 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:18:33,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:18:33,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2024-12-06 01:18:33,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:33,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:33,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:33,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:33,889 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:33,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2024-12-06 01:18:36,491 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data/0784bab2a/d58ccebb0f234fe894a9f089ac5a0079/FLAG6013a8c66 [2024-12-06 01:18:36,694 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:36,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i [2024-12-06 01:18:36,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data/0784bab2a/d58ccebb0f234fe894a9f089ac5a0079/FLAG6013a8c66 [2024-12-06 01:18:37,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data/0784bab2a/d58ccebb0f234fe894a9f089ac5a0079 [2024-12-06 01:18:37,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:37,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:37,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:37,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:37,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:37,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31054505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37, skipping insertion in model container [2024-12-06 01:18:37,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:37,203 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-12-06 01:18:37,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f70707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37, skipping insertion in model container [2024-12-06 01:18:37,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:37,204 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-12-06 01:18:37,206 INFO L158 Benchmark]: Toolchain (without parser) took 145.31ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 110.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:37,206 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:37,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.53ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 110.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:37,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.53ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 110.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 111]: Unsupported Syntax floats in unions are not supported in the integer 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:38,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:39,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:18:39,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:39,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:39,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:39,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:39,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:39,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:39,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:39,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:39,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:39,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:39,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:39,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:39,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:39,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:18:39,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:39,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:39,044 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:18:39,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2024-12-06 01:18:39,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:39,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:39,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:39,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:39,288 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:39,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2024-12-06 01:18:42,046 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data/d69a7f4d2/a2b4010dc593450ca34ddff04efce51f/FLAG6934c5bbc [2024-12-06 01:18:42,225 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:42,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i [2024-12-06 01:18:42,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data/d69a7f4d2/a2b4010dc593450ca34ddff04efce51f/FLAG6934c5bbc [2024-12-06 01:18:42,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/data/d69a7f4d2/a2b4010dc593450ca34ddff04efce51f [2024-12-06 01:18:42,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:42,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:42,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:42,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:42,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:42,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc3e8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42, skipping insertion in model container [2024-12-06 01:18:42,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:42,750 WARN L250 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2024-12-06 01:18:42,754 WARN L250 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2024-12-06 01:18:42,755 WARN L250 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2024-12-06 01:18:42,757 WARN L250 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2024-12-06 01:18:42,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:42,771 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:42,790 WARN L250 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2024-12-06 01:18:42,793 WARN L250 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2024-12-06 01:18:42,794 WARN L250 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2024-12-06 01:18:42,797 WARN L250 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_51cd4a67-e413-40ef-b52a-ad77ffce2860/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2024-12-06 01:18:42,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:42,811 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:42,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42 WrapperNode [2024-12-06 01:18:42,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:42,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:42,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:42,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:42,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,840 INFO L138 Inliner]: procedures = 24, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2024-12-06 01:18:42,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:42,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:42,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:42,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:42,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,858 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:42,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:42,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:42,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:42,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:42" (1/1) ... [2024-12-06 01:18:42,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:42,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:42,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:42,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2024-12-06 01:18:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2024-12-06 01:18:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 01:18:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:18:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:18:42,987 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:42,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:43,238 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:43,238 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:43,272 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:43,272 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:18:43,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:43 BoogieIcfgContainer [2024-12-06 01:18:43,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:43,273 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:43,273 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:43,280 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:43,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:43" (1/1) ... [2024-12-06 01:18:43,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-12-06 01:18:43,321 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-12-06 01:18:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:18:43,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:43,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:43,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:43,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:43,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:18:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:43,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:43,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 01:18:43,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:43,677 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:18:43,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:18:43,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2024-12-06 01:18:43,774 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse1 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) is different from true [2024-12-06 01:18:43,838 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:18:43,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:18:43,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 21 [2024-12-06 01:18:44,084 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_14| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_14|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_14|)) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_14| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_14|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|))) is different from true [2024-12-06 01:18:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:18:44,172 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-12-06 01:18:44,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 65 [2024-12-06 01:18:44,205 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:18:44,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:18:44,442 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:18:44,444 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:18:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:18:44,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2024-12-06 01:18:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:18:44,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:18:48,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:18:48,408 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_14| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_14|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_14|)) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_14| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_14|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|)))) is different from false [2024-12-06 01:18:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 63 transitions. [2024-12-06 01:18:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-12-06 01:18:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:18:48,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:48,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:48,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:48,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:48,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:18:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:48,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:49,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:18:49,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:49,057 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:18:49,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:18:49,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2024-12-06 01:18:49,146 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse0 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (= (_ bv0 32) (select .cse1 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |c_returnsStructure_#res.f|) (= (select .cse1 (_ bv4 32)) (_ bv0 32)))))) is different from true [2024-12-06 01:18:49,209 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:18:49,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:18:49,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 31 [2024-12-06 01:18:49,669 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_20| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_20|))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_20|)) (= |c_returnsStructure_#res.f| (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_20| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_20|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (select .cse1 (_ bv4 32))) (_ bv8 32) (select .cse1 (_ bv8 32)))) |c_#memory_int|)))) is different from true [2024-12-06 01:18:49,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:18:49,818 INFO L349 Elim1Store]: treesize reduction 44, result has 43.6 percent of original size [2024-12-06 01:18:49,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 69 [2024-12-06 01:18:49,863 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:18:49,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:18:50,167 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:18:50,168 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:18:50,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:18:50,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-12-06 01:18:50,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:18:50,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:18:50,211 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse4 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse3 (select .cse4 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse3 .cse1) (= (_ bv0 32) (select .cse4 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) |c_returnsStructure_#res.f|) (= (select .cse4 (_ bv4 32)) (_ bv0 32)))))))) is different from true [2024-12-06 01:18:50,215 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse0 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (= (_ bv0 32) (select .cse1 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |c_returnsStructure_#res.f|) (= (select .cse1 (_ bv4 32)) (_ bv0 32))))))) is different from false [2024-12-06 01:19:00,226 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (not (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse4 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse3 (select .cse4 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse3 .cse1) (= (_ bv0 32) (select .cse4 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) |c_returnsStructure_#res.f|) (= (select .cse4 (_ bv4 32)) (_ bv0 32))))))))) is different from false [2024-12-06 01:19:00,233 WARN L851 $PredicateComparison]: unable to prove that (not (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse4 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse3 (select .cse4 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse3 .cse1) (= (_ bv0 32) (select .cse4 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) |c_returnsStructure_#res.f|) (= (select .cse4 (_ bv4 32)) (_ bv0 32))))))))) is different from false [2024-12-06 01:19:19,277 WARN L286 SmtUtils]: Spent 13.25s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:19:32,174 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_20| (_ BitVec 32))) (let ((.cse4 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_20|))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_20|)) (= |c_returnsStructure_#res.f| (let ((.cse3 (select .cse4 (_ bv0 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_20| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_20|) (_ bv0 32) .cse1) (_ bv4 32) (select .cse4 (_ bv4 32))) (_ bv8 32) (select .cse4 (_ bv8 32)))) |c_#memory_int|)))))) is different from true [2024-12-06 01:19:32,176 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_20| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_20|))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_20|)) (= |c_returnsStructure_#res.f| (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_20| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_20|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (select .cse1 (_ bv4 32))) (_ bv8 32) (select .cse1 (_ bv8 32)))) |c_#memory_int|))))) is different from false [2024-12-06 01:19:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 68 transitions. [2024-12-06 01:19:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2024-12-06 01:19:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:19:55,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:55,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:55,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:55,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:19:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:55,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:55,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:19:55,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:55,530 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:19:55,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:19:55,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2024-12-06 01:19:55,719 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_25| (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_25|))) (let ((.cse1 (select .cse0 (_ bv0 32)))) (and (= (select .cse0 (_ bv8 32)) (_ bv0 32)) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_25| (select |c_#valid| |v_returnsStructure_~#c~1.base_25|))) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |c_returnsStructure_#res.f|) (= (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)) .cse1) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_25|)) (= (select .cse0 (_ bv4 32)) (_ bv0 32)))))) is different from true [2024-12-06 01:19:55,909 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:19:55,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:19:56,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 31 [2024-12-06 01:19:56,562 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_26| (_ BitVec 32))) (and (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_26| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_26|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|) (= (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_26|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) |c_returnsStructure_#res.f|) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_26|)))) is different from true [2024-12-06 01:19:56,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:19:56,934 INFO L349 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2024-12-06 01:19:56,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 75 [2024-12-06 01:19:57,038 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:19:57,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:19:57,452 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:19:57,453 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:19:57,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:19:57,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2024-12-06 01:19:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:19:57,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 01:19:57,521 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_25| (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_25|))) (let ((.cse1 (select .cse0 (_ bv0 32)))) (and (= (select .cse0 (_ bv8 32)) (_ bv0 32)) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_25| (select |c_#valid| |v_returnsStructure_~#c~1.base_25|))) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |c_returnsStructure_#res.f|) (= (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)) .cse1) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_25|)) (= (select .cse0 (_ bv4 32)) (_ bv0 32))))))) is different from false [2024-12-06 01:19:57,965 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_26| (_ BitVec 32))) (and (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_26| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_26|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|) (= (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_26|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) |c_returnsStructure_#res.f|) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_26|))))) is different from false [2024-12-06 01:20:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 68 transitions. [2024-12-06 01:20:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2024-12-06 01:20:30,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:20:30,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:30,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:30,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:30,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:30,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:20:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:30,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:31,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:20:31,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:31,112 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:20:31,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:20:31,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2024-12-06 01:20:31,328 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse0 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|)))))) is different from true [2024-12-06 01:20:31,531 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:20:31,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:20:33,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 11 [2024-12-06 01:20:33,990 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_32| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_32|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_32|)) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_32| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_32|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|))) is different from true [2024-12-06 01:20:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:20:34,273 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 01:20:34,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 55 [2024-12-06 01:20:34,407 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:20:34,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:20:34,925 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:20:34,926 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:20:34,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:20:34,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2024-12-06 01:20:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:20:34,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:20:35,019 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse4 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse3 (select .cse4 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse3 .cse1) (= (_ bv0 32) (select .cse4 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) |c_returnsStructure_#res.f|) (= (select .cse4 (_ bv4 32)) (_ bv0 32)))))) (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse5 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse5 .cse1) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|)))))))) is different from true [2024-12-06 01:20:35,028 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse0 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|))))))) is different from false [2024-12-06 01:20:35,053 WARN L851 $PredicateComparison]: unable to prove that (not (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse4 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse3 (select .cse4 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse3 .cse1) (= (_ bv0 32) (select .cse4 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) |c_returnsStructure_#res.f|) (= (select .cse4 (_ bv4 32)) (_ bv0 32)))))) (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse5 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse5 .cse1) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|))))))))) is different from false [2024-12-06 01:20:48,090 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_32| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_32|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_32|)) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_32| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_32|) (_ bv0 32) .cse1) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|))) (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse3 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse2 (select .cse3 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (= .cse2 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse3 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse5 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse4 (select .cse5 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse4 .cse1) (= (_ bv0 32) (select .cse5 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) |c_returnsStructure_#res.f|) (= (select .cse5 (_ bv4 32)) (_ bv0 32)))))))) is different from true [2024-12-06 01:20:48,099 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_32| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_32|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_32|)) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_32| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_32|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|)))) is different from false [2024-12-06 01:20:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 68 transitions. [2024-12-06 01:20:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2024-12-06 01:20:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:20:53,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:53,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:53,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:53,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:53,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:20:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:53,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:53,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:20:53,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:54,025 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:20:54,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:20:54,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2024-12-06 01:21:00,980 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:21:00,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:21:01,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 31 [2024-12-06 01:21:01,833 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_38| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_38|))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_38| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_38|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (select .cse1 (_ bv8 32)))) |c_#memory_int|) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_38|))))) is different from true [2024-12-06 01:21:01,968 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:21:01,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:21:02,594 INFO L349 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2024-12-06 01:21:02,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 72 [2024-12-06 01:21:03,230 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:21:03,231 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:21:03,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:21:03,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-12-06 01:21:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:21:03,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:22:05,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:22:15,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:22:25,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:23:16,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.94s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:23:26,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:23:36,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:23:46,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:24:27,358 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_38| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_38|))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_38| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_38|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (select .cse1 (_ bv8 32)))) |c_#memory_int|) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_38|)))))) is different from false [2024-12-06 01:25:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 78 transitions. [2024-12-06 01:25:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2024-12-06 01:25:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:25:17,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:17,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:17,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:17,352 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:17,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:25:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:17,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:17,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:25:17,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:17,722 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:25:17,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:25:17,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2024-12-06 01:25:49,829 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:25:49,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:25:50,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 11 [2024-12-06 01:25:50,801 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_44| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_44|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_44|)) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_44| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_44|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|))) is different from true [2024-12-06 01:25:50,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:25:51,166 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 01:25:51,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 55 [2024-12-06 01:25:51,285 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:25:51,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:25:51,912 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:25:51,913 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:25:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:25:51,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2024-12-06 01:25:51,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:25:51,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 01:25:52,031 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_43| (_ BitVec 32))) (let ((.cse3 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_43|) (_ bv0 32)))) (and (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_43| (select |c_#valid| |v_returnsStructure_~#c~1.base_43|)) |c_#valid|) (= .cse1 .cse3) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_43|)) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse5 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse4 (select .cse5 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse4 .cse1) (= (_ bv0 32) (select .cse5 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) |c_returnsStructure_#res.f|) (= (select .cse5 (_ bv4 32)) (_ bv0 32)))))) (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse6 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse6 .cse1) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|)))))))) is different from true [2024-12-06 01:26:16,595 WARN L851 $PredicateComparison]: unable to prove that (not (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_43| (_ BitVec 32))) (let ((.cse3 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_43|) (_ bv0 32)))) (and (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_43| (select |c_#valid| |v_returnsStructure_~#c~1.base_43|)) |c_#valid|) (= .cse1 .cse3) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_43|)) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse5 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse4 (select .cse5 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse4 .cse1) (= (_ bv0 32) (select .cse5 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) |c_returnsStructure_#res.f|) (= (select .cse5 (_ bv4 32)) (_ bv0 32)))))) (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse6 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse6 .cse1) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|))))))))) is different from false [2024-12-06 01:26:16,661 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_44| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse3 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_44|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_44|)) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_44| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_44|) (_ bv0 32) .cse1) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse5 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse4 (select .cse5 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse4 .cse1) (= (_ bv0 32) (select .cse5 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) |c_returnsStructure_#res.f|) (= (select .cse5 (_ bv4 32)) (_ bv0 32)))))) (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse6 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse6 .cse1) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|)))))))) is different from true [2024-12-06 01:26:16,673 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_44| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_44|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_44|)) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_44| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_44|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|)))) is different from false [2024-12-06 01:26:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:32,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 78 transitions. [2024-12-06 01:26:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2024-12-06 01:26:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:26:32,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:32,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:26:32,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:26:32,518 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:26:32,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:26:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:32,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:26:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:32,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:26:32,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:32,896 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:26:32,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:26:33,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2024-12-06 01:26:56,260 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:26:56,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:26:57,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 11 [2024-12-06 01:26:57,308 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_50| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_50|)) (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_50|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_50| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_50|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|))) is different from true [2024-12-06 01:26:57,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:26:57,672 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 01:26:57,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 55 [2024-12-06 01:26:57,792 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:26:57,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:26:58,105 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:26:58,106 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:26:58,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:26:58,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2024-12-06 01:26:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:26:58,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 01:29:15,672 WARN L286 SmtUtils]: Spent 19.92s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:29:25,694 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (not (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|))))))) (exists ((|v_returnsStructure_~#c~1.base_43| (_ BitVec 32))) (let ((.cse3 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_43|) (_ bv0 32)))) (and (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_43| (select |c_#valid| |v_returnsStructure_~#c~1.base_43|)) |c_#valid|) (= .cse1 .cse3) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_43|)) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))))))) is different from true [2024-12-06 01:29:27,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:29:30,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:29:40,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:29:50,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:00,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:10,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:20,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:30,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:41,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:43,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:53,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:31:03,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:31:13,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:31:13,851 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_50| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_50|)) (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_50|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_50| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_50|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32))) |c_#memory_int|)))) is different from false [2024-12-06 01:31:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 78 transitions. [2024-12-06 01:31:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2024-12-06 01:31:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:31:30,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:30,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:30,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:30,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:30,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:31:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:30,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:30,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:31:30,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:30,572 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:31:30,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:31:30,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2024-12-06 01:32:03,917 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:32:03,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:32:04,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 21 [2024-12-06 01:32:04,625 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_56| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_56|))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_56|)) (= |c_#memory_int| (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_56| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_56|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (select .cse1 (_ bv4 32))) (_ bv8 32) (select .cse1 (_ bv8 32)))))))) is different from true [2024-12-06 01:32:04,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:32:05,284 INFO L349 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2024-12-06 01:32:05,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 55 [2024-12-06 01:32:05,429 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:32:05,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:32:06,234 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:32:06,234 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:32:06,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:32:06,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-12-06 01:32:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:32:06,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 01:32:06,373 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_55| (_ BitVec 32))) (let ((.cse3 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_55|))) (let ((.cse4 (select .cse3 (_ bv0 32)))) (and (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_55| (select |c_#valid| |v_returnsStructure_~#c~1.base_55|)) |c_#valid|) (= (_ bv0 32) (select .cse3 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_55|)) (= (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) |c_returnsStructure_#res.f|) (= .cse4 .cse1))))) (exists ((|v_returnsStructure_~#c~1.base_43| (_ BitVec 32))) (let ((.cse5 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_43|) (_ bv0 32)))) (and (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_43| (select |c_#valid| |v_returnsStructure_~#c~1.base_43|)) |c_#valid|) (= .cse1 .cse5) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_43|)) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse7 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse6 (select .cse7 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse6 .cse1) (= (_ bv0 32) (select .cse7 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)) |c_returnsStructure_#res.f|) (= (select .cse7 (_ bv4 32)) (_ bv0 32)))))) (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse8 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse8 .cse1) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|)))))))) is different from true [2024-12-06 01:32:06,665 WARN L851 $PredicateComparison]: unable to prove that (not (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_55| (_ BitVec 32))) (let ((.cse3 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_55|))) (let ((.cse4 (select .cse3 (_ bv0 32)))) (and (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_55| (select |c_#valid| |v_returnsStructure_~#c~1.base_55|)) |c_#valid|) (= (_ bv0 32) (select .cse3 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_55|)) (= (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) |c_returnsStructure_#res.f|) (= .cse4 .cse1))))) (exists ((|v_returnsStructure_~#c~1.base_43| (_ BitVec 32))) (let ((.cse5 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_43|) (_ bv0 32)))) (and (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_43| (select |c_#valid| |v_returnsStructure_~#c~1.base_43|)) |c_#valid|) (= .cse1 .cse5) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_43|)) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse7 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse6 (select .cse7 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse6 .cse1) (= (_ bv0 32) (select .cse7 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)) |c_returnsStructure_#res.f|) (= (select .cse7 (_ bv4 32)) (_ bv0 32)))))) (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse8 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse8 .cse1) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|))))))))) is different from false [2024-12-06 01:32:06,734 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|)))) (and (exists ((|v_returnsStructure_~#c~1.base_13| (_ BitVec 32))) (let ((.cse2 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_13|))) (let ((.cse0 (select .cse2 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 .cse1) (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_13| (select |c_#valid| |v_returnsStructure_~#c~1.base_13|)) |c_#valid|) (= (_ bv0 32) (select .cse2 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_13|)))))) (exists ((|v_returnsStructure_~#c~1.base_43| (_ BitVec 32))) (let ((.cse3 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_43|) (_ bv0 32)))) (and (= (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_43| (select |c_#valid| |v_returnsStructure_~#c~1.base_43|)) |c_#valid|) (= .cse1 .cse3) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_43|)) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (exists ((|v_returnsStructure_~#c~1.base_19| (_ BitVec 32))) (let ((.cse5 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_19|))) (let ((.cse4 (select .cse5 (_ bv0 32)))) (and (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_19| (select |c_#valid| |v_returnsStructure_~#c~1.base_19|))) (= .cse4 .cse1) (= (_ bv0 32) (select .cse5 (_ bv8 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_19|)) (= (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) |c_returnsStructure_#res.f|) (= (select .cse5 (_ bv4 32)) (_ bv0 32)))))) (exists ((|v_returnsStructure_~#c~1.base_56| (_ BitVec 32))) (let ((.cse7 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_56|))) (and (= |c_returnsStructure_#res.f| (let ((.cse6 (select .cse7 (_ bv0 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_56|)) (= |c_#memory_int| (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_56| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_56|) (_ bv0 32) .cse1) (_ bv4 32) (select .cse7 (_ bv4 32))) (_ bv8 32) (select .cse7 (_ bv8 32)))))))) (exists ((|v_returnsStructure_~#c~1.base_31| (_ BitVec 32))) (let ((.cse8 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_31|) (_ bv0 32)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_31|)) (= .cse8 .cse1) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_31| (select |c_#valid| |v_returnsStructure_~#c~1.base_31|)))))))) is different from true [2024-12-06 01:32:06,746 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_returnsStructure_~#c~1.base_56| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_56|))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_56|)) (= |c_#memory_int| (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_56| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_56|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (select .cse1 (_ bv4 32))) (_ bv8 32) (select .cse1 (_ bv8 32))))))))) is different from false [2024-12-06 01:33:16,509 WARN L286 SmtUtils]: Spent 12.49s on a formula simplification. DAG size of input: 105 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:33:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:33:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 78 transitions. [2024-12-06 01:33:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2024-12-06 01:33:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:33:16,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:33:16,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:33:16,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:33:16,516 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:33:16,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:33:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:33:16,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:33:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:33:16,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:33:16,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:33:16,894 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 01:33:16,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 01:33:17,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2024-12-06 01:33:17,237 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_61| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |v_returnsStructure_~#c~1.base_61|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= .cse0 (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (= |c_#valid| (store |c_old(#valid)| |v_returnsStructure_~#c~1.base_61| (select |c_#valid| |v_returnsStructure_~#c~1.base_61|))) (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_61|)) (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (_ bv0 32) (select .cse1 (_ bv4 32))))))) is different from true [2024-12-06 01:33:17,499 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:33:17,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2024-12-06 01:33:25,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 21 [2024-12-06 01:33:27,104 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_returnsStructure_~#c~1.base_62| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_returnsStructure_~#c~1.base_62|)) (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |v_returnsStructure_~#c~1.base_62|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= |c_#memory_int| (store |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_62| (store (store (store (select |c_old(#memory_int)| |v_returnsStructure_~#c~1.base_62|) (_ bv0 32) (bvand (_ bv1 32) (bvand (_ bv1 32) |c_returnsStructure_#in~index|))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))))) is different from true [2024-12-06 01:33:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:33:27,626 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-12-06 01:33:27,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 65 [2024-12-06 01:33:27,745 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:33:27,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 01:33:28,133 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:33:28,134 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2024-12-06 01:33:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:33:28,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2024-12-06 01:33:28,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-12-06 01:33:28,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51cd4a67-e413-40ef-b52a-ad77ffce2860/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0