./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs --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 b9a657fa9aacca0974ed9e42f1311e36e1c5af368a54222ebad4a487f8951064 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:45:16,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:45:16,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:45:16,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:45:16,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:45:16,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:45:16,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:45:16,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:45:16,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:45:16,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:45:16,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:45:16,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:45:16,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:45:16,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:45:16,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:45:16,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:45:16,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:45:16,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:45:16,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:45:16,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:45:16,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:45:16,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:45:16,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:45:16,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:45:16,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:45:16,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:45:16,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:45:16,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:45:16,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:45:16,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:45:16,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:45:16,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:45:16,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:45:16,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:45:16,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:45:16,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:45:16,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:45:16,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:45:16,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:45:16,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:45:16,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:45:16,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 15:45:16,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:45:16,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:45:16,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:45:16,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:45:16,795 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:45:16,796 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:45:16,796 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:45:16,796 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:45:16,803 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:45:16,803 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:45:16,804 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:45:16,805 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:45:16,805 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:45:16,805 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:45:16,806 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:45:16,806 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:45:16,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:45:16,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 15:45:16,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:45:16,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 15:45:16,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:45:16,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:45:16,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:45:16,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:45:16,809 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:45:16,809 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 15:45:16,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:45:16,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:45:16,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:45:16,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:45:16,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:45:16,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:45:16,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:45:16,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:45:16,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:45:16,812 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:45:16,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:45:16,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:45:16,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:45:16,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:45:16,813 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_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9a657fa9aacca0974ed9e42f1311e36e1c5af368a54222ebad4a487f8951064 [2021-11-19 15:45:17,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:45:17,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:45:17,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:45:17,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:45:17,113 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:45:17,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c [2021-11-19 15:45:17,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data/dbe227c04/055a1a3b821d4cacb3b91ec438099bbb/FLAG4c1a3cc0b [2021-11-19 15:45:18,036 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:45:18,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c [2021-11-19 15:45:18,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data/dbe227c04/055a1a3b821d4cacb3b91ec438099bbb/FLAG4c1a3cc0b [2021-11-19 15:45:18,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data/dbe227c04/055a1a3b821d4cacb3b91ec438099bbb [2021-11-19 15:45:18,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:45:18,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:45:18,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:18,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:45:18,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:45:18,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:18" (1/1) ... [2021-11-19 15:45:18,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2467f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:18, skipping insertion in model container [2021-11-19 15:45:18,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:18" (1/1) ... [2021-11-19 15:45:18,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:45:18,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:45:18,746 WARN L230 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_44d5f814-e819-45a9-8d7a-395b3915eaae/sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c[73581,73594] [2021-11-19 15:45:18,771 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:18,798 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) [2021-11-19 15:45:18,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1aa3acc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:18, skipping insertion in model container [2021-11-19 15:45:18,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:18,799 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:45:18,802 INFO L158 Benchmark]: Toolchain (without parser) took 610.62ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 85.9MB in the beginning and 130.7MB in the end (delta: -44.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 15:45:18,803 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:45:18,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.35ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 85.7MB in the beginning and 130.7MB in the end (delta: -44.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 15:45:18,806 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 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.35ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 85.7MB in the beginning and 130.7MB in the end (delta: -44.9MB). 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_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs --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 b9a657fa9aacca0974ed9e42f1311e36e1c5af368a54222ebad4a487f8951064 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:45:21,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:45:21,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:45:21,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:45:21,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:45:21,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:45:21,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:45:21,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:45:21,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:45:21,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:45:21,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:45:21,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:45:21,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:45:21,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:45:21,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:45:21,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:45:21,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:45:21,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:45:21,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:45:21,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:45:21,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:45:21,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:45:21,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:45:21,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:45:21,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:45:21,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:45:21,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:45:21,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:45:21,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:45:21,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:45:21,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:45:21,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:45:21,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:45:21,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:45:21,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:45:21,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:45:21,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:45:21,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:45:21,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:45:21,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:45:21,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:45:21,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 15:45:21,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:45:21,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:45:21,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:45:21,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:45:21,320 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:45:21,321 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:45:21,321 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:45:21,321 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:45:21,321 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:45:21,322 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:45:21,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:45:21,323 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 15:45:21,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 15:45:21,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:45:21,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:45:21,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:45:21,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:45:21,324 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:45:21,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:45:21,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:45:21,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 15:45:21,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:45:21,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:45:21,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:45:21,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:45:21,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:45:21,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:45:21,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:45:21,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:45:21,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:45:21,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:45:21,328 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:45:21,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:45:21,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:45:21,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:45:21,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:45:21,329 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_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9a657fa9aacca0974ed9e42f1311e36e1c5af368a54222ebad4a487f8951064 [2021-11-19 15:45:21,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:45:21,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:45:21,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:45:21,784 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:45:21,787 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:45:21,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c [2021-11-19 15:45:21,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data/bef2ee45e/181a3dc216434397857ee4daf33c295e/FLAGa2d751b04 [2021-11-19 15:45:22,689 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:45:22,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c [2021-11-19 15:45:22,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data/bef2ee45e/181a3dc216434397857ee4daf33c295e/FLAGa2d751b04 [2021-11-19 15:45:22,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/data/bef2ee45e/181a3dc216434397857ee4daf33c295e [2021-11-19 15:45:22,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:45:22,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:45:22,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:22,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:45:22,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:45:22,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:22" (1/1) ... [2021-11-19 15:45:22,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8d58e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:22, skipping insertion in model container [2021-11-19 15:45:22,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:22" (1/1) ... [2021-11-19 15:45:22,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:45:22,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:45:23,539 WARN L230 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_44d5f814-e819-45a9-8d7a-395b3915eaae/sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c[73581,73594] [2021-11-19 15:45:23,555 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:23,598 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:45:23,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:45:23,788 WARN L230 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_44d5f814-e819-45a9-8d7a-395b3915eaae/sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c[73581,73594] [2021-11-19 15:45:23,791 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:23,798 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:45:23,891 WARN L230 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_44d5f814-e819-45a9-8d7a-395b3915eaae/sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-1.c[73581,73594] [2021-11-19 15:45:23,893 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:23,920 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:45:23,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23 WrapperNode [2021-11-19 15:45:23,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:23,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:45:23,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:45:23,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:45:23,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:23,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,046 INFO L137 Inliner]: procedures = 36, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 757 [2021-11-19 15:45:24,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:45:24,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:45:24,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:45:24,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:45:24,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:45:24,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:45:24,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:45:24,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:45:24,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (1/1) ... [2021-11-19 15:45:24,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:45:24,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:45:24,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:45:24,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:45:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:45:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:45:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:45:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:45:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:45:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:45:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:45:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:45:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:45:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:45:24,419 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:45:24,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:45:24,440 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 15:45:34,694 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-19 15:45:34,694 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-19 15:45:34,695 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:45:34,705 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:45:34,705 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 15:45:34,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:34 BoogieIcfgContainer [2021-11-19 15:45:34,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:45:34,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:45:34,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:45:34,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:45:34,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:45:22" (1/3) ... [2021-11-19 15:45:34,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3cc213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:45:34, skipping insertion in model container [2021-11-19 15:45:34,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:23" (2/3) ... [2021-11-19 15:45:34,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3cc213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:45:34, skipping insertion in model container [2021-11-19 15:45:34,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:34" (3/3) ... [2021-11-19 15:45:34,717 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.10.i.cil-1.c [2021-11-19 15:45:34,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:45:34,724 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:45:34,777 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:45:34,784 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 [2021-11-19 15:45:34,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:45:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 146 states have (on average 1.7123287671232876) internal successors, (250), 147 states have internal predecessors, (250), 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) [2021-11-19 15:45:34,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-19 15:45:34,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:34,814 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:45:34,815 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:45:34,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:34,821 INFO L85 PathProgramCache]: Analyzing trace with hash 917223054, now seen corresponding path program 1 times [2021-11-19 15:45:34,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:34,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064231451] [2021-11-19 15:45:34,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:34,838 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:34,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:34,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:34,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:45:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:35,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:45:35,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:45:35,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:45:35,696 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:35,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064231451] [2021-11-19 15:45:35,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064231451] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:35,697 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:35,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:45:35,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787862566] [2021-11-19 15:45:35,701 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:35,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:45:35,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:35,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:45:35,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:45:35,739 INFO L87 Difference]: Start difference. First operand has 148 states, 146 states have (on average 1.7123287671232876) internal successors, (250), 147 states have internal predecessors, (250), 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 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2021-11-19 15:45:35,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:35,984 INFO L93 Difference]: Finished difference Result 554 states and 944 transitions. [2021-11-19 15:45:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:45:35,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 44 [2021-11-19 15:45:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:36,016 INFO L225 Difference]: With dead ends: 554 [2021-11-19 15:45:36,017 INFO L226 Difference]: Without dead ends: 377 [2021-11-19 15:45:36,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:45:36,025 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 574 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:45:36,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [574 Valid, 662 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 15:45:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-11-19 15:45:36,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2021-11-19 15:45:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 376 states have (on average 1.5265957446808511) internal successors, (574), 376 states have internal predecessors, (574), 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) [2021-11-19 15:45:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 574 transitions. [2021-11-19 15:45:36,112 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 574 transitions. Word has length 44 [2021-11-19 15:45:36,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:36,112 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 574 transitions. [2021-11-19 15:45:36,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2021-11-19 15:45:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 574 transitions. [2021-11-19 15:45:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-19 15:45:36,120 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:36,120 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-19 15:45:36,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:36,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:45:36,342 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:45:36,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:36,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2042718613, now seen corresponding path program 1 times [2021-11-19 15:45:36,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:36,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657045218] [2021-11-19 15:45:36,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:36,345 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:36,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:36,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:36,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:45:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:36,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:45:36,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:45:37,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:45:37,549 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:37,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657045218] [2021-11-19 15:45:37,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657045218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:37,550 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:37,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:45:37,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430253412] [2021-11-19 15:45:37,551 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:37,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:45:37,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:37,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:45:37,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:45:37,554 INFO L87 Difference]: Start difference. First operand 377 states and 574 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2021-11-19 15:45:38,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:38,273 INFO L93 Difference]: Finished difference Result 862 states and 1324 transitions. [2021-11-19 15:45:38,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:45:38,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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 105 [2021-11-19 15:45:38,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:38,280 INFO L225 Difference]: With dead ends: 862 [2021-11-19 15:45:38,280 INFO L226 Difference]: Without dead ends: 617 [2021-11-19 15:45:38,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:45:38,284 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 291 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:45:38,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 721 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 15:45:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2021-11-19 15:45:38,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2021-11-19 15:45:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 616 states have (on average 1.521103896103896) internal successors, (937), 616 states have internal predecessors, (937), 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) [2021-11-19 15:45:38,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 937 transitions. [2021-11-19 15:45:38,359 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 937 transitions. Word has length 105 [2021-11-19 15:45:38,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:38,361 INFO L470 AbstractCegarLoop]: Abstraction has 617 states and 937 transitions. [2021-11-19 15:45:38,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2021-11-19 15:45:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 937 transitions. [2021-11-19 15:45:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 15:45:38,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:38,382 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, 1, 1, 1] [2021-11-19 15:45:38,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:38,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:45:38,598 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:45:38,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:38,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1716174966, now seen corresponding path program 1 times [2021-11-19 15:45:38,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:38,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471841197] [2021-11-19 15:45:38,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:38,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:38,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:38,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:38,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:45:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:38,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:45:38,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-19 15:45:39,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-19 15:45:39,978 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:39,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471841197] [2021-11-19 15:45:39,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471841197] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:39,979 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:39,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:45:39,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783517326] [2021-11-19 15:45:39,980 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:39,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:45:39,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:39,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:45:39,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:45:39,981 INFO L87 Difference]: Start difference. First operand 617 states and 937 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2021-11-19 15:45:40,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:40,647 INFO L93 Difference]: Finished difference Result 1222 states and 1863 transitions. [2021-11-19 15:45:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:45:40,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 169 [2021-11-19 15:45:40,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:40,653 INFO L225 Difference]: With dead ends: 1222 [2021-11-19 15:45:40,654 INFO L226 Difference]: Without dead ends: 737 [2021-11-19 15:45:40,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:45:40,656 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 138 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 15:45:40,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 567 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 15:45:40,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2021-11-19 15:45:40,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2021-11-19 15:45:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 736 states have (on average 1.517663043478261) internal successors, (1117), 736 states have internal predecessors, (1117), 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) [2021-11-19 15:45:40,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1117 transitions. [2021-11-19 15:45:40,688 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1117 transitions. Word has length 169 [2021-11-19 15:45:40,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:40,689 INFO L470 AbstractCegarLoop]: Abstraction has 737 states and 1117 transitions. [2021-11-19 15:45:40,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2021-11-19 15:45:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1117 transitions. [2021-11-19 15:45:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-19 15:45:40,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:40,693 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-11-19 15:45:40,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:40,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:45:40,910 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:45:40,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:40,911 INFO L85 PathProgramCache]: Analyzing trace with hash 738648727, now seen corresponding path program 1 times [2021-11-19 15:45:40,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:40,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480493281] [2021-11-19 15:45:40,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:40,914 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:40,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:40,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:40,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:45:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:41,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:45:41,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-19 15:45:41,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-19 15:45:42,486 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:42,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480493281] [2021-11-19 15:45:42,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480493281] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:42,488 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:42,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:45:42,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300787566] [2021-11-19 15:45:42,490 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:42,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:45:42,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:42,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:45:42,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:45:42,494 INFO L87 Difference]: Start difference. First operand 737 states and 1117 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 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) [2021-11-19 15:45:42,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:42,923 INFO L93 Difference]: Finished difference Result 1582 states and 2409 transitions. [2021-11-19 15:45:42,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:45:42,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 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 210 [2021-11-19 15:45:42,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:42,932 INFO L225 Difference]: With dead ends: 1582 [2021-11-19 15:45:42,932 INFO L226 Difference]: Without dead ends: 977 [2021-11-19 15:45:42,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:45:42,934 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 289 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 15:45:42,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 724 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 15:45:42,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-11-19 15:45:42,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-11-19 15:45:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.5153688524590163) internal successors, (1479), 976 states have internal predecessors, (1479), 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) [2021-11-19 15:45:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1479 transitions. [2021-11-19 15:45:42,986 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1479 transitions. Word has length 210 [2021-11-19 15:45:42,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:42,987 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1479 transitions. [2021-11-19 15:45:42,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 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) [2021-11-19 15:45:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1479 transitions. [2021-11-19 15:45:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-19 15:45:42,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:42,994 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-11-19 15:45:43,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:43,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:45:43,210 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:45:43,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1549103668, now seen corresponding path program 1 times [2021-11-19 15:45:43,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:43,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912667053] [2021-11-19 15:45:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:43,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:43,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:43,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:43,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:45:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:44,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-19 15:45:44,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:44,207 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 [2021-11-19 15:45:44,218 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 [2021-11-19 15:45:44,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:44,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-19 15:45:44,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:44,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-19 15:45:44,358 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 [2021-11-19 15:45:44,944 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-11-19 15:45:44,945 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 [2021-11-19 15:45:45,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:45,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-19 15:45:45,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:45,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-19 15:45:45,112 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 [2021-11-19 15:45:45,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,284 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 97 treesize of output 49 [2021-11-19 15:45:45,412 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-11-19 15:45:45,412 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 [2021-11-19 15:45:45,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:45:45,447 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 [2021-11-19 15:45:45,481 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 [2021-11-19 15:45:45,486 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 [2021-11-19 15:45:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-11-19 15:45:46,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:47,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:47,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-19 15:45:47,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:47,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-19 15:45:47,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:47,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-19 15:45:47,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:47,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 510 [2021-11-19 15:45:47,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:47,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 687 [2021-11-19 15:45:47,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:47,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-11-19 15:45:47,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:47,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 861 [2021-11-19 15:45:47,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:45:47,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1038 [2021-11-19 15:45:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-11-19 15:45:48,074 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:48,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912667053] [2021-11-19 15:45:48,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912667053] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:48,075 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:48,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 15:45:48,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826049379] [2021-11-19 15:45:48,076 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:48,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 15:45:48,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:48,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 15:45:48,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:45:48,081 INFO L87 Difference]: Start difference. First operand 977 states and 1479 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-11-19 15:45:50,108 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 [] [2021-11-19 15:45:53,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:45:59,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:00,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:01,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:01,231 INFO L93 Difference]: Finished difference Result 1951 states and 2954 transitions. [2021-11-19 15:46:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:46:01,233 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 292 [2021-11-19 15:46:01,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:01,239 INFO L225 Difference]: With dead ends: 1951 [2021-11-19 15:46:01,240 INFO L226 Difference]: Without dead ends: 977 [2021-11-19 15:46:01,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 575 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-19 15:46:01,242 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 5 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:01,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 760 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 2 Unknown, 58 Unchecked, 13.1s Time] [2021-11-19 15:46:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-11-19 15:46:01,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-11-19 15:46:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.514344262295082) internal successors, (1478), 976 states have internal predecessors, (1478), 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) [2021-11-19 15:46:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1478 transitions. [2021-11-19 15:46:01,286 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1478 transitions. Word has length 292 [2021-11-19 15:46:01,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:01,286 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1478 transitions. [2021-11-19 15:46:01,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-11-19 15:46:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1478 transitions. [2021-11-19 15:46:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-19 15:46:01,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:01,293 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-11-19 15:46:01,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:46:01,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:46:01,513 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:01,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:01,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1801868810, now seen corresponding path program 1 times [2021-11-19 15:46:01,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:46:01,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286863662] [2021-11-19 15:46:01,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:01,516 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:46:01,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:46:01,516 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:46:01,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 15:46:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:02,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:46:02,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:46:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:46:03,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:46:03,144 INFO L354 Elim1Store]: treesize reduction 190, result has 12.8 percent of original size [2021-11-19 15:46:03,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 38 [2021-11-19 15:46:03,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:46:03,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:46:03,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-19 15:46:03,624 INFO L354 Elim1Store]: treesize reduction 850, result has 7.0 percent of original size [2021-11-19 15:46:03,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 70 treesize of output 87 [2021-11-19 15:46:05,848 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-11-19 15:46:05,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 108 treesize of output 36 [2021-11-19 15:46:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2021-11-19 15:46:06,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:46:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2021-11-19 15:46:06,819 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:46:06,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286863662] [2021-11-19 15:46:06,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286863662] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:06,819 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:46:06,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2021-11-19 15:46:06,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229736348] [2021-11-19 15:46:06,820 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:06,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 15:46:06,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:46:06,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 15:46:06,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:46:06,821 INFO L87 Difference]: Start difference. First operand 977 states and 1478 transitions. Second operand has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 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) [2021-11-19 15:46:08,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:10,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:13,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:22,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:26,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:29,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:30,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:39,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:41,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:48,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:55,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:08,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:09,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:15,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:15,791 INFO L93 Difference]: Finished difference Result 4405 states and 6696 transitions. [2021-11-19 15:47:15,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 15:47:15,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 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 292 [2021-11-19 15:47:15,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:15,820 INFO L225 Difference]: With dead ends: 4405 [2021-11-19 15:47:15,820 INFO L226 Difference]: Without dead ends: 3438 [2021-11-19 15:47:15,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 576 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:47:15,825 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 335 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 85 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.6s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:15,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 1193 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1161 Invalid, 1 Unknown, 0 Unchecked, 68.6s Time] [2021-11-19 15:47:15,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2021-11-19 15:47:15,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 1319. [2021-11-19 15:47:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1318 states have (on average 1.5933232169954477) internal successors, (2100), 1318 states have internal predecessors, (2100), 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) [2021-11-19 15:47:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 2100 transitions. [2021-11-19 15:47:15,942 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 2100 transitions. Word has length 292 [2021-11-19 15:47:15,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:15,943 INFO L470 AbstractCegarLoop]: Abstraction has 1319 states and 2100 transitions. [2021-11-19 15:47:15,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 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) [2021-11-19 15:47:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 2100 transitions. [2021-11-19 15:47:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-19 15:47:15,951 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:15,951 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-11-19 15:47:15,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:16,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:16,166 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:16,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:16,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1372210504, now seen corresponding path program 1 times [2021-11-19 15:47:16,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:16,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231332926] [2021-11-19 15:47:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:16,169 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:16,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:16,170 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:16,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44d5f814-e819-45a9-8d7a-395b3915eaae/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 15:47:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:23,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-19 15:47:23,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:49:16,459 WARN L227 SmtUtils]: Spent 1.88m on a formula simplification. DAG size of input: 66 DAG size of output: 15 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 15:49:16,460 INFO L354 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2021-11-19 15:49:16,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 5181 treesize of output 5192 [2021-11-19 15:49:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,580 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 5174 treesize of output 5138 [2021-11-19 15:49:16,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:49:16,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79500 [2021-11-19 15:49:16,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:49:16,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216815 [2021-11-19 15:49:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:49:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver