./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:37:09,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:37:09,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:37:09,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:37:09,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:37:09,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:37:09,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:37:09,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:37:09,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:37:09,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:37:09,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:37:09,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:37:09,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:37:09,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:37:09,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:37:09,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:37:09,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:37:09,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:37:09,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:37:09,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:37:09,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:37:09,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:37:09,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:37:09,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:37:09,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:37:09,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:37:09,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:37:09,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:37:09,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:37:09,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:37:09,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:37:09,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:37:09,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:37:09,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:37:09,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:37:09,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:37:09,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:37:09,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:37:09,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:37:09,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:37:09,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:37:09,600 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:37:09,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:37:09,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:37:09,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:37:09,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:37:09,630 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:37:09,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:37:09,630 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:37:09,630 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:37:09,631 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:37:09,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:37:09,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:37:09,631 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:37:09,631 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:37:09,632 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:37:09,632 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:37:09,632 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:37:09,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:37:09,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:37:09,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:37:09,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:37:09,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:37:09,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:37:09,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:37:09,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:37:09,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:37:09,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:37:09,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:37:09,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:37:09,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:37:09,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:37:09,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:37:09,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:09,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:37:09,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:37:09,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:37:09,637 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:37:09,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:37:09,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:37:09,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:37:09,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:37:09,638 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 [2021-11-12 23:37:09,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:37:09,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:37:09,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:37:09,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:37:09,955 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:37:09,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-12 23:37:10,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data/eb57b7f6b/0e3f52b8d0b34d8b8a8ee7bedbdd1954/FLAG6d6377861 [2021-11-12 23:37:10,780 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:37:10,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-12 23:37:10,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data/eb57b7f6b/0e3f52b8d0b34d8b8a8ee7bedbdd1954/FLAG6d6377861 [2021-11-12 23:37:11,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data/eb57b7f6b/0e3f52b8d0b34d8b8a8ee7bedbdd1954 [2021-11-12 23:37:11,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:37:11,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:37:11,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:11,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:37:11,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:37:11,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:11" (1/1) ... [2021-11-12 23:37:11,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31648d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:11, skipping insertion in model container [2021-11-12 23:37:11,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:11" (1/1) ... [2021-11-12 23:37:11,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:37:11,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:11,768 WARN L228 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_d36def80-c7db-48b0-a103-23e651c42a3c/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-12 23:37:11,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:11,799 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:37:11,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d2507bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:11, skipping insertion in model container [2021-11-12 23:37:11,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:11,800 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:37:11,803 INFO L158 Benchmark]: Toolchain (without parser) took 766.12ms. Allocated memory is still 115.3MB. Free memory was 83.9MB in the beginning and 80.0MB in the end (delta: 3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:37:11,803 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:37:11,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.10ms. Allocated memory is still 115.3MB. Free memory was 83.8MB in the beginning and 80.0MB in the end (delta: 3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:37:11,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.10ms. Allocated memory is still 115.3MB. Free memory was 83.8MB in the beginning and 80.0MB in the end (delta: 3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1050]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:37:14,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:37:14,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:37:14,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:37:14,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:37:14,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:37:14,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:37:14,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:37:14,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:37:14,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:37:14,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:37:14,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:37:14,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:37:14,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:37:14,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:37:14,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:37:14,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:37:14,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:37:14,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:37:14,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:37:14,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:37:14,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:37:14,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:37:14,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:37:14,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:37:14,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:37:14,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:37:14,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:37:14,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:37:14,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:37:14,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:37:14,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:37:14,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:37:14,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:37:14,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:37:14,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:37:14,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:37:14,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:37:14,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:37:14,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:37:14,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:37:14,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:37:14,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:37:14,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:37:14,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:37:14,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:37:14,515 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:37:14,516 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:37:14,516 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:37:14,516 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:37:14,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:37:14,517 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:37:14,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:37:14,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:37:14,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:37:14,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:37:14,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:37:14,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:37:14,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:37:14,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:37:14,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:37:14,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:37:14,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:37:14,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:37:14,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:37:14,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:37:14,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:37:14,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:37:14,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:37:14,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:14,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:37:14,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:37:14,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:37:14,526 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:37:14,527 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:37:14,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:37:14,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:37:14,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:37:14,528 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 [2021-11-12 23:37:14,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:37:15,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:37:15,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:37:15,016 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:37:15,017 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:37:15,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-12 23:37:15,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data/64cfb0966/404d9f853a9e4993824a2c0775c8144f/FLAGa1aa01016 [2021-11-12 23:37:15,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:37:15,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-12 23:37:15,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data/64cfb0966/404d9f853a9e4993824a2c0775c8144f/FLAGa1aa01016 [2021-11-12 23:37:16,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/data/64cfb0966/404d9f853a9e4993824a2c0775c8144f [2021-11-12 23:37:16,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:37:16,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:37:16,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:16,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:37:16,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:37:16,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:16" (1/1) ... [2021-11-12 23:37:16,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b12d22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:16, skipping insertion in model container [2021-11-12 23:37:16,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:16" (1/1) ... [2021-11-12 23:37:16,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:37:16,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:16,741 WARN L228 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_d36def80-c7db-48b0-a103-23e651c42a3c/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-12 23:37:16,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:16,787 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:37:16,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:17,002 WARN L228 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_d36def80-c7db-48b0-a103-23e651c42a3c/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-12 23:37:17,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:17,015 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:37:17,198 WARN L228 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_d36def80-c7db-48b0-a103-23e651c42a3c/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-12 23:37:17,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:17,244 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:37:17,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17 WrapperNode [2021-11-12 23:37:17,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:17,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:17,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:37:17,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:37:17,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:17,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:37:17,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:37:17,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:37:17,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:37:17,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:37:17,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:37:17,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:37:17,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (1/1) ... [2021-11-12 23:37:17,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:17,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:17,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:37:17,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:37:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:37:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:37:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:37:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:37:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:37:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:37:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:37:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:37:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:37:17,940 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-12 23:37:27,503 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-12 23:37:27,504 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-12 23:37:27,513 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:37:27,513 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:37:27,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:27 BoogieIcfgContainer [2021-11-12 23:37:27,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:37:27,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:37:27,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:37:27,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:37:27,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:37:16" (1/3) ... [2021-11-12 23:37:27,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d109f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:37:27, skipping insertion in model container [2021-11-12 23:37:27,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:17" (2/3) ... [2021-11-12 23:37:27,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d109f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:37:27, skipping insertion in model container [2021-11-12 23:37:27,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:27" (3/3) ... [2021-11-12 23:37:27,525 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.09.i.cil-2.c [2021-11-12 23:37:27,530 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:37:27,531 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:37:27,589 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:37:27,597 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:37:27,597 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:37:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 148 states have (on average 1.7162162162162162) internal successors, (254), 149 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-12 23:37:27,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:27,640 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:27,640 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:27,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash -442385418, now seen corresponding path program 1 times [2021-11-12 23:37:27,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:27,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842572875] [2021-11-12 23:37:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:27,690 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:27,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:27,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:37:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:28,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:37:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:28,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:28,564 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:28,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842572875] [2021-11-12 23:37:28,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842572875] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:28,566 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:28,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:37:28,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347407335] [2021-11-12 23:37:28,569 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:28,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:37:28,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:28,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:37:28,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:28,608 INFO L87 Difference]: Start difference. First operand has 150 states, 148 states have (on average 1.7162162162162162) internal successors, (254), 149 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:28,817 INFO L93 Difference]: Finished difference Result 566 states and 965 transitions. [2021-11-12 23:37:28,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:37:28,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-12 23:37:28,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:28,837 INFO L225 Difference]: With dead ends: 566 [2021-11-12 23:37:28,838 INFO L226 Difference]: Without dead ends: 387 [2021-11-12 23:37:28,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:28,846 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 402 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.42ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 126.12ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:28,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 670 Invalid, 76 Unknown, 0 Unchecked, 9.42ms Time], IncrementalHoareTripleChecker [26 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 126.12ms Time] [2021-11-12 23:37:28,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-11-12 23:37:28,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 385. [2021-11-12 23:37:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.5286458333333333) internal successors, (587), 384 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 587 transitions. [2021-11-12 23:37:28,917 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 587 transitions. Word has length 37 [2021-11-12 23:37:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:28,917 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 587 transitions. [2021-11-12 23:37:28,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 587 transitions. [2021-11-12 23:37:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-12 23:37:28,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:28,922 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:28,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:29,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:29,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:29,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:29,138 INFO L85 PathProgramCache]: Analyzing trace with hash 746604405, now seen corresponding path program 1 times [2021-11-12 23:37:29,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:29,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749231261] [2021-11-12 23:37:29,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:29,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:29,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:29,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:29,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:37:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:29,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:37:29,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:29,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:29,946 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:29,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749231261] [2021-11-12 23:37:29,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749231261] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:29,946 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:29,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:37:29,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631909113] [2021-11-12 23:37:29,947 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:29,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:37:29,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:29,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:37:29,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:29,951 INFO L87 Difference]: Start difference. First operand 385 states and 587 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:31,016 INFO L93 Difference]: Finished difference Result 881 states and 1355 transitions. [2021-11-12 23:37:31,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:37:31,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-12 23:37:31,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:31,023 INFO L225 Difference]: With dead ends: 881 [2021-11-12 23:37:31,023 INFO L226 Difference]: Without dead ends: 630 [2021-11-12 23:37:31,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:31,028 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 305 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 991.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.80ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1022.51ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:31,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [305 Valid, 723 Invalid, 76 Unknown, 0 Unchecked, 3.80ms Time], IncrementalHoareTripleChecker [23 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 1022.51ms Time] [2021-11-12 23:37:31,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-11-12 23:37:31,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628. [2021-11-12 23:37:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.518341307814992) internal successors, (952), 627 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 952 transitions. [2021-11-12 23:37:31,074 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 952 transitions. Word has length 60 [2021-11-12 23:37:31,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:31,075 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 952 transitions. [2021-11-12 23:37:31,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 952 transitions. [2021-11-12 23:37:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-12 23:37:31,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:31,087 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:31,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:31,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:31,308 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:31,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:31,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1546935351, now seen corresponding path program 1 times [2021-11-12 23:37:31,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:31,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092697671] [2021-11-12 23:37:31,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:31,312 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:31,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:31,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:31,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:37:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:31,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:37:31,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-12 23:37:32,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-12 23:37:32,583 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:32,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092697671] [2021-11-12 23:37:32,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092697671] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:32,584 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:32,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:37:32,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339197170] [2021-11-12 23:37:32,585 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:32,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:37:32,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:32,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:37:32,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:32,587 INFO L87 Difference]: Start difference. First operand 628 states and 952 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:33,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:33,429 INFO L93 Difference]: Finished difference Result 1366 states and 2083 transitions. [2021-11-12 23:37:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:37:33,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-11-12 23:37:33,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:33,439 INFO L225 Difference]: With dead ends: 1366 [2021-11-12 23:37:33,439 INFO L226 Difference]: Without dead ends: 872 [2021-11-12 23:37:33,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:33,442 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 289 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 753.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.25ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 794.95ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:33,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 723 Invalid, 76 Unknown, 0 Unchecked, 3.25ms Time], IncrementalHoareTripleChecker [20 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 794.95ms Time] [2021-11-12 23:37:33,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-11-12 23:37:33,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 872. [2021-11-12 23:37:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 871 states have (on average 1.5154994259471872) internal successors, (1320), 871 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1320 transitions. [2021-11-12 23:37:33,492 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1320 transitions. Word has length 121 [2021-11-12 23:37:33,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:33,493 INFO L470 AbstractCegarLoop]: Abstraction has 872 states and 1320 transitions. [2021-11-12 23:37:33,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1320 transitions. [2021-11-12 23:37:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-12 23:37:33,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:33,498 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:33,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:33,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:33,719 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:33,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:33,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1042279652, now seen corresponding path program 1 times [2021-11-12 23:37:33,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:33,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234801668] [2021-11-12 23:37:33,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:33,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:33,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:33,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:33,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:37:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:34,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:37:34,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-12 23:37:34,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-12 23:37:35,081 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:35,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234801668] [2021-11-12 23:37:35,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234801668] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:35,084 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:35,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:37:35,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412895461] [2021-11-12 23:37:35,085 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:35,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:37:35,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:35,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:37:35,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:35,091 INFO L87 Difference]: Start difference. First operand 872 states and 1320 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:36,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:37:36,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:36,438 INFO L93 Difference]: Finished difference Result 1854 states and 2817 transitions. [2021-11-12 23:37:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:37:36,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2021-11-12 23:37:36,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:36,448 INFO L225 Difference]: With dead ends: 1854 [2021-11-12 23:37:36,448 INFO L226 Difference]: Without dead ends: 1116 [2021-11-12 23:37:36,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:36,451 INFO L933 BasicCegarLoop]: 365 mSDtfsCounter, 298 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1238.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.98ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1280.92ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:36,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 725 Invalid, 71 Unknown, 0 Unchecked, 2.98ms Time], IncrementalHoareTripleChecker [16 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1280.92ms Time] [2021-11-12 23:37:36,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-12 23:37:36,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-11-12 23:37:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.5112107623318385) internal successors, (1685), 1115 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1685 transitions. [2021-11-12 23:37:36,505 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1685 transitions. Word has length 149 [2021-11-12 23:37:36,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:36,506 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1685 transitions. [2021-11-12 23:37:36,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1685 transitions. [2021-11-12 23:37:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-12 23:37:36,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:36,512 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:36,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:36,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:36,726 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:36,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:36,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1650407178, now seen corresponding path program 1 times [2021-11-12 23:37:36,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:36,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40190315] [2021-11-12 23:37:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:36,729 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:36,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:36,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:36,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:37:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:37,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-12 23:37:37,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:37,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-12 23:37:37,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-12 23:37:37,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:37,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-12 23:37:37,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:37,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-12 23:37:37,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 336 treesize of output 319 [2021-11-12 23:37:37,979 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-11-12 23:37:37,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 8 case distinctions, treesize of input 1289 treesize of output 1241 [2021-11-12 23:37:38,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:38,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-12 23:37:38,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 221 treesize of output 210 [2021-11-12 23:37:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 101 [2021-11-12 23:37:38,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-11-12 23:37:38,407 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-11-12 23:37:38,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 62 treesize of output 13 [2021-11-12 23:37:38,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:38,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-11-12 23:37:38,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-12 23:37:38,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-12 23:37:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-12 23:37:38,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:39,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:39,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-12 23:37:39,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:39,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-12 23:37:39,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:39,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-12 23:37:39,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:39,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 510 [2021-11-12 23:37:39,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:39,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 687 [2021-11-12 23:37:39,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:39,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-11-12 23:37:39,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:39,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 861 [2021-11-12 23:37:39,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:39,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1038 [2021-11-12 23:37:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-12 23:37:40,507 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:40,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40190315] [2021-11-12 23:37:40,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40190315] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:40,508 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:40,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:37:40,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86939411] [2021-11-12 23:37:40,508 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:40,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:37:40,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:40,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:37:40,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:37:40,511 INFO L87 Difference]: Start difference. First operand 1116 states and 1685 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:42,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:37:45,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:37:49,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:49,259 INFO L93 Difference]: Finished difference Result 2229 states and 3366 transitions. [2021-11-12 23:37:49,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:37:49,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2021-11-12 23:37:49,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:49,268 INFO L225 Difference]: With dead ends: 2229 [2021-11-12 23:37:49,268 INFO L226 Difference]: Without dead ends: 1116 [2021-11-12 23:37:49,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:37:49,271 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 10 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8450.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 8663.91ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:49,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 876 Invalid, 177 Unknown, 0 Unchecked, 3.39ms Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 1 Unknown, 62 Unchecked, 8663.91ms Time] [2021-11-12 23:37:49,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-12 23:37:49,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-11-12 23:37:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.5103139013452915) internal successors, (1684), 1115 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1684 transitions. [2021-11-12 23:37:49,314 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1684 transitions. Word has length 166 [2021-11-12 23:37:49,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:49,315 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1684 transitions. [2021-11-12 23:37:49,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:49,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1684 transitions. [2021-11-12 23:37:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-12 23:37:49,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:49,320 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:49,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:49,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:49,537 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:49,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:49,538 INFO L85 PathProgramCache]: Analyzing trace with hash -74201144, now seen corresponding path program 1 times [2021-11-12 23:37:49,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:49,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595698279] [2021-11-12 23:37:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:49,540 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:49,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:49,542 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:49,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:37:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:52,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-12 23:37:52,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:52,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 4865 treesize of output 4829 [2021-11-12 23:37:52,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:37:52,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6889 [2021-11-12 23:37:52,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 7313 treesize of output 6939 [2021-11-12 23:37:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:37:52,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 28 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 5178 treesize of output 4771 [2021-11-12 23:37:52,894 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:52,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595698279] [2021-11-12 23:37:52,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Some non-self update cases but no top-level DER relation [2021-11-12 23:37:52,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1642722082] [2021-11-12 23:37:52,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:52,896 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:37:52,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:37:52,902 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:37:52,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 23:44:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:14,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-12 23:44:14,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@14d9fd55 [2021-11-12 23:44:14,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756896449] [2021-11-12 23:44:14,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:14,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:44:14,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:44:14,623 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:44:14,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-12 23:44:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:15,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-12 23:44:15,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@14d9fd55 [2021-11-12 23:44:15,851 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:15,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-12 23:44:15,851 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-11-12 23:44:15,852 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-12 23:44:15,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:44:15,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-12 23:44:16,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:44:16,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:44:16,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:44:16,481 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-12 23:44:16,483 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:44:16,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:44:16 BoogieIcfgContainer [2021-11-12 23:44:16,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:44:16,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:44:16,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:44:16,541 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:44:16,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:27" (3/4) ... [2021-11-12 23:44:16,544 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-12 23:44:16,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:44:16,545 INFO L158 Benchmark]: Toolchain (without parser) took 420442.97ms. Allocated memory was 73.4MB in the beginning and 157.3MB in the end (delta: 83.9MB). Free memory was 52.7MB in the beginning and 98.1MB in the end (delta: -45.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2021-11-12 23:44:16,545 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:44:16,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1140.07ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 52.5MB in the beginning and 63.2MB in the end (delta: -10.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-12 23:44:16,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.85ms. Allocated memory is still 96.5MB. Free memory was 63.2MB in the beginning and 58.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:44:16,546 INFO L158 Benchmark]: Boogie Preprocessor took 111.98ms. Allocated memory is still 96.5MB. Free memory was 58.6MB in the beginning and 51.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:44:16,547 INFO L158 Benchmark]: RCFGBuilder took 9994.22ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 41.3MB in the end (delta: 9.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-12 23:44:16,547 INFO L158 Benchmark]: TraceAbstraction took 409022.07ms. Allocated memory was 96.5MB in the beginning and 157.3MB in the end (delta: 60.8MB). Free memory was 40.6MB in the beginning and 99.1MB in the end (delta: -58.6MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-11-12 23:44:16,548 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 157.3MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:44:16,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1140.07ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 52.5MB in the beginning and 63.2MB in the end (delta: -10.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.85ms. Allocated memory is still 96.5MB. Free memory was 63.2MB in the beginning and 58.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.98ms. Allocated memory is still 96.5MB. Free memory was 58.6MB in the beginning and 51.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9994.22ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 41.3MB in the end (delta: 9.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 409022.07ms. Allocated memory was 96.5MB in the beginning and 157.3MB in the end (delta: 60.8MB). Free memory was 40.6MB in the beginning and 99.1MB in the end (delta: -58.6MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 157.3MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1757]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1105] CALL ssl3_accept(s) [L1111] BUF_MEM *buf ; [L1112] unsigned long l ; [L1113] unsigned long Time ; [L1114] unsigned long tmp ; [L1115] void (*cb)() ; [L1116] long num1 ; [L1117] int ret ; [L1118] int new_state ; [L1119] int state ; [L1120] int skip ; [L1121] int got_new_session ; [L1122] int tmp___1 = __VERIFIER_nondet_int() ; [L1123] int tmp___2 = __VERIFIER_nondet_int() ; [L1124] int tmp___3 = __VERIFIER_nondet_int() ; [L1125] int tmp___4 = __VERIFIER_nondet_int() ; [L1126] int tmp___5 = __VERIFIER_nondet_int() ; [L1127] int tmp___6 = __VERIFIER_nondet_int() ; [L1128] int tmp___7 ; [L1129] long tmp___8 = __VERIFIER_nondet_long() ; [L1130] int tmp___9 = __VERIFIER_nondet_int() ; [L1131] int tmp___10 = __VERIFIER_nondet_int() ; [L1132] int blastFlag ; [L1136] s->state = 8464 [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) [L1161] EXPR s->cert [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 [L1378] COND FALSE !(ret <= 0) [L1383] s->hit [L1383] COND TRUE s->hit [L1384] s->state = 8656 [L1388] s->init_num = 0 [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state [L1260] COND TRUE s->state == 8656 [L1601] EXPR s->session [L1601] EXPR s->s3 [L1601] EXPR (s->s3)->tmp.new_cipher [L1601] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1602] COND FALSE !(! tmp___9) [L1608] ret = __VERIFIER_nondet_int() [L1609] COND TRUE blastFlag == 2 [L1610] blastFlag = 3 [L1614] COND FALSE !(ret <= 0) [L1619] s->state = 8672 [L1620] s->init_num = 0 [L1621] COND FALSE !(! tmp___10) [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state [L1266] COND TRUE s->state == 8672 [L1630] ret = __VERIFIER_nondet_int() [L1631] COND TRUE blastFlag == 3 [L1632] blastFlag = 4 [L1644] COND FALSE !(ret <= 0) [L1649] s->state = 8448 [L1650] s->hit [L1650] COND TRUE s->hit [L1651] EXPR s->s3 [L1651] (s->s3)->tmp.next_state = 8640 [L1655] s->init_num = 0 [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND TRUE s->state == 8640 [L1581] ret = __VERIFIER_nondet_int() [L1582] COND TRUE blastFlag == 4 [L1757] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 408.9s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1304 SdHoareTripleChecker+Valid, 11888.42ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1304 mSDsluCounter, 3717 SdHoareTripleChecker+Invalid, 11538.28ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 62 IncrementalHoareTripleChecker+Unchecked, 2189 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 328 IncrementalHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 1528 mSDtfsCounter, 328 mSolverCounterSat, 22.84ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1057 GetRequests, 1041 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 699 NumberOfCodeBlocks, 699 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1056 ConstructedInterpolants, 1 QuantifiedInterpolants, 2137 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1892 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 934/934 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-12 23:44:16,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36def80-c7db-48b0-a103-23e651c42a3c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN