./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:33,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:33,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 05:02:33,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:33,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:33,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:33,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:33,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:33,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:33,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:33,736 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:33,737 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:33,737 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:33,739 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:02:33,740 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:33,740 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:33,741 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:02:33,741 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:02:33,741 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:33,742 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:02:33,742 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:02:33,743 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:02:33,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:33,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:02:33,745 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:02:33,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:02:33,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:02:33,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:33,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:02:33,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:33,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:02:33,749 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:02:33,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:02:33,750 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:02:33,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:02:33,750 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:33,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:33,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:33,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:33,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:33,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:33,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:02:33,753 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:02:33,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:02:33,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:02:33,754 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:33,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:33,754 INFO L153 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_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 [2023-11-19 05:02:34,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:34,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:34,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:34,078 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:34,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:34,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-11-19 05:02:37,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:02:37,644 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:02:37,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-11-19 05:02:37,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/data/a4d48703f/cb9d1dfaba054be3ac9fc8414f4ec44c/FLAG088c4776e [2023-11-19 05:02:37,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/data/a4d48703f/cb9d1dfaba054be3ac9fc8414f4ec44c [2023-11-19 05:02:37,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:02:37,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:02:37,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:37,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:02:37,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:02:37,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:37" (1/1) ... [2023-11-19 05:02:37,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0fbcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:37, skipping insertion in model container [2023-11-19 05:02:37,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:37" (1/1) ... [2023-11-19 05:02:37,768 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:38,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:38,219 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:02:38,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:38,349 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:02:38,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38 WrapperNode [2023-11-19 05:02:38,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:38,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:38,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:02:38,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:02:38,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,447 INFO L138 Inliner]: procedures = 165, calls = 46, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 146 [2023-11-19 05:02:38,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:38,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:02:38,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:02:38,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:02:38,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:02:38,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:02:38,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:02:38,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:02:38,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (1/1) ... [2023-11-19 05:02:38,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:38,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:38,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:02:38,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:02:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-19 05:02:38,601 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-19 05:02:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:02:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 05:02:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:02:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:02:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-11-19 05:02:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-11-19 05:02:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 05:02:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 05:02:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:02:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:02:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:02:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:02:38,609 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:02:38,763 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:02:38,765 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:02:39,156 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:39,169 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:39,169 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:02:39,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:39 BoogieIcfgContainer [2023-11-19 05:02:39,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:39,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:39,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:39,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:39,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:02:37" (1/3) ... [2023-11-19 05:02:39,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f23154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:39, skipping insertion in model container [2023-11-19 05:02:39,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:38" (2/3) ... [2023-11-19 05:02:39,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f23154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:39, skipping insertion in model container [2023-11-19 05:02:39,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:39" (3/3) ... [2023-11-19 05:02:39,187 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2023-11-19 05:02:39,200 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:02:39,212 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:39,212 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 05:02:39,212 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:02:39,311 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:02:39,350 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:02:39,367 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 190 transitions, 392 flow [2023-11-19 05:02:39,371 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 190 transitions, 392 flow [2023-11-19 05:02:39,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 190 transitions, 392 flow [2023-11-19 05:02:39,467 INFO L124 PetriNetUnfolderBase]: 9/187 cut-off events. [2023-11-19 05:02:39,468 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 05:02:39,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 187 events. 9/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 383 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2023-11-19 05:02:39,492 INFO L119 LiptonReduction]: Number of co-enabled transitions 14538 [2023-11-19 05:02:47,189 INFO L134 LiptonReduction]: Checked pairs total: 30788 [2023-11-19 05:02:47,189 INFO L136 LiptonReduction]: Total number of compositions: 213 [2023-11-19 05:02:47,204 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 40 transitions, 92 flow [2023-11-19 05:02:47,369 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1616 states, 1612 states have (on average 3.7313895781637716) internal successors, (6015), 1615 states have internal predecessors, (6015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:47,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:47,399 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@223f95f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:47,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-19 05:02:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 1616 states, 1612 states have (on average 3.7313895781637716) internal successors, (6015), 1615 states have internal predecessors, (6015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:02:47,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:47,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:02:47,437 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2023-11-19 05:02:47,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:47,442 INFO L85 PathProgramCache]: Analyzing trace with hash 702872004, now seen corresponding path program 1 times [2023-11-19 05:02:47,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:47,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123916088] [2023-11-19 05:02:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:47,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:47,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:47,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123916088] [2023-11-19 05:02:47,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123916088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:47,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:47,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:47,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77470121] [2023-11-19 05:02:47,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:47,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:47,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:47,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:47,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:47,836 INFO L87 Difference]: Start difference. First operand has 1616 states, 1612 states have (on average 3.7313895781637716) internal successors, (6015), 1615 states have internal predecessors, (6015), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:47,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:47,970 INFO L93 Difference]: Finished difference Result 1371 states and 4399 transitions. [2023-11-19 05:02:47,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:02:47,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-11-19 05:02:47,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:47,998 INFO L225 Difference]: With dead ends: 1371 [2023-11-19 05:02:47,999 INFO L226 Difference]: Without dead ends: 1030 [2023-11-19 05:02:47,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:48,003 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 28 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:48,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 25 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:02:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2023-11-19 05:02:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1030. [2023-11-19 05:02:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 1029 states have (on average 3.2235179786200194) internal successors, (3317), 1029 states have internal predecessors, (3317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 3317 transitions. [2023-11-19 05:02:48,147 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 3317 transitions. Word has length 5 [2023-11-19 05:02:48,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:48,153 INFO L495 AbstractCegarLoop]: Abstraction has 1030 states and 3317 transitions. [2023-11-19 05:02:48,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 3317 transitions. [2023-11-19 05:02:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:02:48,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:48,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:02:48,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:02:48,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2023-11-19 05:02:48,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:48,162 INFO L85 PathProgramCache]: Analyzing trace with hash 702872005, now seen corresponding path program 1 times [2023-11-19 05:02:48,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:48,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060226112] [2023-11-19 05:02:48,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:48,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:48,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:48,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060226112] [2023-11-19 05:02:48,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060226112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:48,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:48,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:48,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960436104] [2023-11-19 05:02:48,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:48,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:48,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:48,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:48,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:48,333 INFO L87 Difference]: Start difference. First operand 1030 states and 3317 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:48,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:48,393 INFO L93 Difference]: Finished difference Result 773 states and 2424 transitions. [2023-11-19 05:02:48,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:02:48,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-11-19 05:02:48,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:48,394 INFO L225 Difference]: With dead ends: 773 [2023-11-19 05:02:48,394 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:02:48,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:48,396 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:48,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 22 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:02:48,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:02:48,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:02:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:02:48,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2023-11-19 05:02:48,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:48,399 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:02:48,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:02:48,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:02:48,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2023-11-19 05:02:48,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-11-19 05:02:48,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-19 05:02:48,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2023-11-19 05:02:48,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2023-11-19 05:02:48,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2023-11-19 05:02:48,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2023-11-19 05:02:48,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:02:48,408 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:02:48,414 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 05:02:48,414 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:02:48,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:02:48 BasicIcfg [2023-11-19 05:02:48,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:02:48,418 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:02:48,418 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:02:48,419 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:02:48,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:39" (3/4) ... [2023-11-19 05:02:48,422 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:02:48,425 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2023-11-19 05:02:48,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t3_fun [2023-11-19 05:02:48,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-19 05:02:48,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 05:02:48,435 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:02:48,436 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 05:02:48,436 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:02:48,555 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:02:48,556 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:02:48,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:02:48,557 INFO L158 Benchmark]: Toolchain (without parser) took 10873.27ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 131.7MB in the beginning and 103.3MB in the end (delta: 28.4MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2023-11-19 05:02:48,558 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:02:48,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.94ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 111.5MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 05:02:48,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.55ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:48,561 INFO L158 Benchmark]: Boogie Preprocessor took 70.87ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 107.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:48,561 INFO L158 Benchmark]: RCFGBuilder took 657.68ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 137.0MB in the end (delta: -29.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:48,562 INFO L158 Benchmark]: TraceAbstraction took 9237.42ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 136.1MB in the beginning and 108.5MB in the end (delta: 27.5MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:48,562 INFO L158 Benchmark]: Witness Printer took 138.20ms. Allocated memory is still 205.5MB. Free memory was 108.5MB in the beginning and 103.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:02:48,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.94ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 111.5MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.55ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.87ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 107.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.68ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 137.0MB in the end (delta: -29.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9237.42ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 136.1MB in the beginning and 108.5MB in the end (delta: 27.5MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 138.20ms. Allocated memory is still 205.5MB. Free memory was 108.5MB in the beginning and 103.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8s, 191 PlacesBefore, 46 PlacesAfterwards, 190 TransitionsBefore, 40 TransitionsAfterwards, 14538 CoEnabledTransitionPairs, 10 FixpointIterations, 37 TrivialSequentialCompositions, 131 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 40 ConcurrentYvCompositions, 5 ChoiceCompositions, 213 TotalNumberOfCompositions, 30788 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15559, independent: 15083, independent conditional: 0, independent unconditional: 15083, dependent: 476, dependent conditional: 0, dependent unconditional: 476, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10816, independent: 10704, independent conditional: 0, independent unconditional: 10704, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10816, independent: 10408, independent conditional: 0, independent unconditional: 10408, dependent: 408, dependent conditional: 0, dependent unconditional: 408, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 408, independent: 296, independent conditional: 0, independent unconditional: 296, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 696, independent: 363, independent conditional: 0, independent unconditional: 363, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15559, independent: 4379, independent conditional: 0, independent unconditional: 4379, dependent: 364, dependent conditional: 0, dependent unconditional: 364, unknown: 10816, unknown conditional: 0, unknown unconditional: 10816] , Statistics on independence cache: Total cache size (in pairs): 335, Positive cache size: 296, Positive conditional cache size: 0, Positive unconditional cache size: 296, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 692]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 692]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 271 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 33 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1616occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 05:02:48,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85687a0d-3eaa-423d-a99f-347d3af3a83b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE